Obituary: John Glenn

Astronaut John Glenn (b.1921) died on December 8. Glenn was the last surviving member of the Mercury 7 astronauts and the first American to orbit the Earth, flying on the third Mercury mission on February 20, 1962 aboard Friendship 7. Following his flight and status as a national hero, Glenn was grounded by President Kennedy and eventually became a Senator from Ohio and ran unsuccessfully for President. The oldest of the Mercury astronauts, he flew a second time in 1998 about the space shuttle Discovery, becoming the oldest man to fly in space.